| Water polo at the Pan American Games | |
|---|---|
 | |
| No. of events | 2 (men: 1; women: 1) |
Water polo has been inducted in the Pan American Games since the first edition of the multi-sports event in 1951 when Buenos Aires was the host. The women's event made its debut in 1999. The United States is the most successful country, winning 16 out of 22 tournaments.